Roush Saleen exhaust question

TR03Mach1 · Dec 28, 2005

Hi guys! I just bought what was listed as a stock x-pipe takeoff from a 2003 Saleen S281 s/c from a guy on ebay. From the pictures, it looks like a Magnaflow x-pipe with stock looking cats. Does anybody know who manufactured the mid-pipe on those cars? And do you think I can get a slight performance bump installing it on my 03 Mach 1 which has a Borla stinger cat back and a stock h-pipe? Thanks for any info you can give me.

lgndracer · Dec 28, 2005

Mine had the stock mid-pipe that Saleen had cut the "H" out, and welded in an "x" in its place.

wsbrigham · Dec 28, 2005

TR03Mach1 said:
Hi guys! I just bought what was listed as a stock x-pipe takeoff from a 2003 Saleen S281 s/c from a guy on ebay. From the pictures, it looks like a Magnaflow x-pipe with stock looking cats. Does anybody know who manufactured the mid-pipe on those cars? And do you think I can get a slight performance bump installing it on my 03 Mach 1 which has a Borla stinger cat back and a stock h-pipe? Thanks for any info you can give me.

I believe the stock pipe was not a X-pipe but a H-pipe. Don't know the manuifacturer, though.

You might get a few HP out of the X-pipe but not noticeable. If your car is running a blower or turbo, you would definitely notice/ feel a difference. The sound of an X-pipe is also pretty cool.

TR03Mach1 · Dec 28, 2005

Well, it arrived UPS today, and this is what it looks like. I guess it could be a stock Mustang h-pipe with an "x" welded in place of the crossover.

lgndracer · Dec 28, 2005

I don't have it in front of me, but that pretty much looks exactly like my stock one.

wsbrigham · Dec 28, 2005

lgndracer said:
I don't have it in front of me, but that pretty much looks exactly like my stock one.

It doesn't look like any of the stock H-pipes on any of my Saleens....that is an X-pipe in the picture.

00-Saleen · Dec 28, 2005

It should only have 2 cats. And it has 4. That thing wont do Squat for Performance.

justin · Dec 28, 2005

All of the Saleen x pipes have 4 cats that I've seen. Saleen has used bassani and magnaflow to make their x pipes.

SSS281 · Dec 29, 2005

ive read somewhere that they used magnaflow catted x's on saleens

00-Saleen · Dec 29, 2005

Saleen welds the So Called "Magnaflow X-pipe, onto the stock Mustang gt Hpipe.

spederman · Dec 29, 2005

Seriously? Is that all they do is just weld into the stock mustang exhaust. Freaking cheap asses, at least put on a real x pipe for a 40-60K dollar car. So if you swap out for a real X pipe, do you notice any performance gains or better/louder sound?

00-Saleen · Dec 30, 2005

Yes im Serious. A REAL X-pipe has only 2 Cats, and it will Sound alot better, and Boost hp and Tq over the ****&& So called saleen x pipe

slutstang · Dec 30, 2005

i hate to be the bearer of bad news... BUT

i put a saleen X pipe (same as one in picture) on my gt and it made it noticeably quiter. one good thing is the saleen x pipe seems to be made of a different metal and its lighter and alot less prone to rusting.

performance... it may have helped a few hp but nothin i could really notice

it sounded good with my magnapacks, but i eventually just went with a pro-chamber

TR03Mach1 · Dec 30, 2005

Well, thanks for all the responses. I'm going to try it, just to see what it does. I had an o/r Magnaflow x-pipe on my car, but when I added the Borla stingers, it was just plain too loud, both inside and outside the car. I sold the x-pipe and put my stock h-pipe back on, and it did quiet it down to a reasonable level, but also dropped the power levels down a few notches. That's why this pipe intriqued me, I was hoping the noise level would be maintained at about what it is now, but with a slight bump in hp and torque. If it doesn't work out, I'll just sell it and get an aftermarket catted midpipe of some kind.

S281SC#08 · Dec 30, 2005

the louder the better.

TR03Mach1 · Dec 30, 2005

S281SC#08 said:
the louder the better.

No, there's loud, and then there's migraine inducing loud! Mine was the latter, and that's not good for a daily driver, not to mention that I was on all the neighbors hit list!

spederman · Dec 30, 2005

If you replace the 4 cat saleen junk x pipe with an aftermarket with 2 cats, but not an off road x pipe, will it still pass emissions inspections? I would like a 2 cat x pipe but need it to pass our strict emissions down here.

S281SC#08 · Dec 30, 2005

got to love a no emissions state.

SSS281 · Dec 30, 2005

i passed emissions with longtubes, an off-road xpipe, a supercharger, and no tune

00-Saleen · Dec 30, 2005

SSS281 said:
i passed emissions with longtubes, an off-road xpipe, a supercharger, and no tune

Holy **** you did? And yes if u have 2 cats u will pass Emisions

Roush Saleen exhaust question

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